From: Eric Wong Date: 2014-04-28T17:48:35+00:00 Subject: [ruby-core:62199] Re: [ruby-trunk - Bug #9780] [Open] sysread blocks when reading some files (AIX) kcburge@gmail.com wrote: > Ruby 1.9.3-p286 does not do this. Sorry, I might have introduced this bug in 2.0 Can you try the following patch? Thanks. http://80x24.org/0001-io.c-try-to-fix-9780.patch